3. All sea creatures except fish are all Haram, such as a crab or a crocodile, an eel and so on. [al-Durr al-Mukhtar – Page 642]

4. There is disagreement amongst the scholars as regards prawn – is it considered in the group of ‘fish’ or not? Thus, it is best to avoid it.

5. If someone placed a substance (a chemical for example) by which the fish died, and it is known that the fish dided due to the cuase of placing that substance in the water, then that fish is still Halal. [al-Durr al-Mukhtar – Page 642]